Hiring Compliance: What Attaches at Each Stage of a Hire

There is no single hiring law. There are roughly a dozen separate obligations that attach at different moments — some when you write the ad, some when you screen, most of them in the first three days after someone starts. The federal set is short and the deadlines are tight: Form W-4 on the first day, Form I-9 within three business days, a new hire report within 20 days, and Form W-2 by 1 February after the year ends. Almost everything else — pay transparency, ban the box, scheduling, breaks, final paychecks, AI screening — is state or city law, and that is where the exposure actually is. This page indexes each rule at the point in the hire where it bites.

The four federal deadlines every US employer is on

These four apply to every employer in the country, from a first hire upward. Three of them run from the employee's start date, and two of those are short enough to be missed by a business that is busy on the day someone starts.

Obligation	Clock starts	Deadline	Guide
Form W-4	First day of work	Signed when they start	New hire forms checklist
Form I-9	First day of work for pay	Section 1 by the first day; Section 2 within three business days	Form I-9 requirements
New hire report	Date of hire	To the state directory within 20 days	Hiring your first employee
Form W-2	End of the tax year	To the employee and SSA by 1 February	Hiring your first employee

Two further federal clocks apply only to some employers. If you are covered by E-Verify, the case must be created no later than the third business day after the employee starts work for pay. If you are screening for the Work Opportunity Tax Credit, Form 8850 must reach the state workforce agency within 28 calendar days of the start date — a deadline worth keeping even while the credit is lapsed, because previous lapses have been cured retroactively.

Stage 1: before the ad goes up

Most employers think of compliance as something that happens after an offer. Several rules attach before anyone has seen the job.

Pay transparency laws by state — whether the pay range has to be in the posting, and what counts as a range.
Ban the box laws by state — when you may first ask about criminal history, which is usually later than the application.
EEO statement — what the statement is for, and what a useful one says.
OFCCP job posting requirements — only for federal contractors, and stricter than most realise.
Child labor laws by state — if the role can be filled by someone under 18, the hours rules shape the shift before you advertise it.
Minimum wage by state — the floor the advertised rate has to clear, which is not the federal figure in most states.

Stage 2: advertising and targeting

Meta's Special Ad Category — every employment ad on Facebook or Instagram must be declared, which removes age, gender and ZIP targeting and widens your radius to a 15-mile minimum.
How to post a job on Facebook — the free and paid routes, and what each one reaches under those restrictions.
What makes a good job ad — including the wording that creates exposure rather than applications.
Labor law posters by state — the official free source for all 51 jurisdictions. You do not have to buy them.

Stage 3: screening and interviewing

This is where the most exposure sits, because everything here is a selection procedure in the federal sense — including, explicitly, an informal conversation and an unscored application form.

AI screening — five different tools, and what Title VII, NYC Local Law 144, Illinois, California and Colorado each require in 2026.
Illegal interview questions — what federal law actually prohibits, plus the wider bias question that is legal and still costly.
Interview questions to ask candidates — the structured alternative, which is the single strongest defensive step available.
Background checks and drug testing laws by state — consent, timing, and the adverse-action sequence.
Pre-employment assessments — validity, and the rule against selecting on things learned in a brief orientation.
MVR checks and DOT drug testing requirements — for motor carriers, where the clocks are specific and unforgiving.

Stage 4: the offer and the first week

Conditional job offers — what can be conditioned on what, and in which order.
Form I-9, E-Verify by state and work authorization — the three-day clock, who is actually required to use E-Verify, and what the documents mean.
New hire forms checklist — everything due in week one, in order.
Work Opportunity Tax Credit and the Federal Bonding Program — two programmes that reward hiring from groups other employers screen out.

Stage 5: once they are on the schedule

Hiring compliance does not stop at onboarding. Most of the money in wage-and-hour enforcement is here, and most of it is state law.

Fair workweek laws and predictive scheduling by state — where a schedule change becomes a priced transaction.
Overtime laws by state and on-call pay — including the states that count overtime by the day rather than the week.
Meal and rest break laws by state — the rules most often broken by accident on a short-staffed shift.
Final paycheck laws by state — the deadline that runs from a separation you may not have planned.
WARN Act by state — the 14 states that add real obligations, and the five that only look like it.
Unpaid internship laws — the test that decides whether it is an internship or an unpaid employee.

If you take one thing from this page: the federal layer is short and the state layer is where the exposure is. An employer operating in one state has a manageable list. An employer operating in four has four lists that disagree with each other, and the only sustainable answer is to build the stricter rule into the process everywhere rather than tracking which site is under which regime.

Frequently asked questions

What is hiring compliance?

The set of legal obligations that attach to hiring someone, from what the job ad may say through screening and interviewing to the forms due in the first week and the wage and scheduling rules that apply afterwards. It is not one law. The federal layer is short — W-4 on day one, I-9 within three business days, a new hire report within 20 days, W-2 by 1 February — and most of the rest is state or city law that varies by where the work is performed.

What forms are legally required when hiring an employee?

Federally: a signed Form W-4 when they start, a completed Form I-9 with Section 1 by the first day of work for pay and Section 2 within three business days, and a new hire report to the state directory within 20 days of hire. Form W-2 follows by 1 February after the year ends. Employers covered by E-Verify must also create the case by the third business day after the employee starts work for pay, and employers claiming the Work Opportunity Tax Credit must file Form 8850 within 28 calendar days of the start date.

Which hiring rules are federal and which are state?

Federal law covers work authorisation and the I-9, discrimination under Title VII, the ADA and the ADEA, wage and hour minimums under the FLSA, background checks under the FCRA, and DOT rules for motor carriers. Pay transparency, ban the box, scheduling and predictability pay, meal and rest breaks, final paycheck deadlines, most drug testing rules, child labor hours beyond the federal floor, and the newer AI screening rules are all state or city law. Where both apply, the stricter rule governs.

What is the shortest deadline in the hiring process?

Section 2 of Form I-9, which must be completed within three business days of the employee's first day of work for pay, and for employers covered by E-Verify the case created by the third business day after they start work for pay. Both run from the start date rather than from the offer, which is why they are the two most commonly missed obligations at a business that is short-staffed on the day someone starts.

We advertise the roles these rules govern.

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